Dorman 974-1000 HVAC Blower Motor

Reliable HVAC Blower Motor for Dodge and Mercedes-Benz Sprinter

The Dorman 974-1000 HVAC blower motor is designed to restore proper airflow in your Dodge Sprinter or Mercedes-Benz Sprinter 2500, 3500, and 3500XD models. Engineered for durability and consistent performance, this 12-volt motor ensures efficient climate control in your vehicle's HVAC system.

Key Features of the Dorman 974-1000 HVAC Blower Motor

• Voltage: 12 volts for standard automotive electrical systems
• Shaft length: 5.7 inches with a square shaft shape for secure fitment
• Wire gauge measurement: 12 gauge for reliable electrical connection
• Terminal types: Bullet and cilindro for versatile wiring options
• Flanged end design for stable mounting
• Clockwise rotation to match OEM specifications
• Shaft diameter: 0.3 inches with a single shaft type
• Motor dimensions: 3.5 inches diameter and 4 inches length
• Stud distance: 2.5 inches for precise installation
• Vented motor housing to prevent overheating
• Includes cage wheel for optimal airflow

Detailed Description of the Dorman 974-1000 HVAC Blower Motor

This HVAC blower motor from Dorman is engineered to meet the specific requirements of Dodge and Mercedes-Benz Sprinter vans, including the Sprinter 2500, 3500, and 3500XD models. The motor operates at 12 volts and features a 5.7-inch square shaft that ensures a secure and accurate fit. Its flanged end and vented housing contribute to stable mounting and efficient heat dissipation during operation. The motor’s clockwise rotation and 0.3-inch shaft diameter align with OEM standards, making it a direct replacement part. The inclusion of a cage wheel enhances airflow performance, helping maintain consistent cabin temperature control.

Common Applications and Issues Addressed

• Restores HVAC blower function in Dodge Sprinter and Mercedes-Benz Sprinter vans
• Resolves weak or inconsistent airflow from the HVAC system
• Eliminates unusual noises caused by worn blower motors
• Fixes blower motor failure that prevents heating or cooling
• Addresses overheating issues with vented motor design

Installation Notes and Tips

When installing the Dorman 974-1000 blower motor, ensure the vehicle’s electrical system is disconnected to prevent shorts. Verify the clockwise rotation and shaft dimensions match your existing motor. The flanged end and stud distance of 2.5 inches facilitate proper alignment and mounting. Use the bullet or cilindro terminals for secure wiring connections. No switch is included, so retain the original switch assembly. Proper installation will ensure optimal HVAC performance and longevity.

Quality Assurance and Warranty

Dorman manufactures this HVAC blower motor to meet or exceed OEM specifications for Dodge and Mercedes-Benz Sprinter vehicles. The motor is constructed with durable materials and designed for reliable operation under typical automotive conditions. While specific warranty details are not provided, Dorman products generally come with a limited warranty covering defects in materials and workmanship.